package com.mayikt;

import java.util.Hashtable;

/**
 * @ClassName Test009
 * @Author 蚂蚁课堂余胜军 QQ644064779 www.mayikt.com
 * @Version V1.0
 **/
public class Test009 {
    public static void main(String[] args) {
        StringBuffer sf = new StringBuffer();

        for (int i = 0; i < 100; i++) {
            sf.append("i");
        }
        Hashtable<Object, Object> objectObjectHashtable = new Hashtable<>();
        objectObjectHashtable.put("","");
        objectObjectHashtable.get("");

    }
}
